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Date: Tue, 7 Jul 2020 14:24:34 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, saeedm@...lanox.com,
michael.chan@...adcom.com, edwin.peer@...adcom.com,
emil.s.tantilov@...el.com, alexander.h.duyck@...ux.intel.com,
jeffrey.t.kirsher@...el.com, tariqt@...lanox.com, mkubecek@...e.cz,
Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 9/9] mlx4: convert to new udp_tunnel_nic infra
Convert to new infra, make use of the ability to sleep in the callback.
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
.../net/ethernet/mellanox/mlx4/en_netdev.c | 107 ++++--------------
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 -
2 files changed, 25 insertions(+), 84 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 5bd3cd37d50f..2b8608f8f0a9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1816,7 +1816,7 @@ int mlx4_en_start_port(struct net_device *dev)
queue_work(mdev->workqueue, &priv->rx_mode_task);
if (priv->mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
- udp_tunnel_get_rx_info(dev);
+ udp_tunnel_nic_reset_ntf(dev);
priv->port_up = true;
@@ -2628,89 +2628,32 @@ static int mlx4_en_get_phys_port_id(struct net_device *dev,
return 0;
}
-static void mlx4_en_add_vxlan_offloads(struct work_struct *work)
+static int mlx4_udp_tunnel_sync(struct net_device *dev, unsigned int table)
{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct udp_tunnel_info ti;
int ret;
- struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
- vxlan_add_task);
- ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port);
- if (ret)
- goto out;
+ udp_tunnel_nic_get_port(dev, table, 0, &ti);
+ priv->vxlan_port = ti.port;
- ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port,
- VXLAN_STEER_BY_OUTER_MAC, 1);
-out:
- if (ret) {
- en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret);
- return;
- }
-}
-
-static void mlx4_en_del_vxlan_offloads(struct work_struct *work)
-{
- int ret;
- struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
- vxlan_del_task);
- ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port,
- VXLAN_STEER_BY_OUTER_MAC, 0);
+ ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port);
if (ret)
- en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret);
+ return ret;
- priv->vxlan_port = 0;
+ return mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port,
+ VXLAN_STEER_BY_OUTER_MAC,
+ !!priv->vxlan_port);
}
-static void mlx4_en_add_vxlan_port(struct net_device *dev,
- struct udp_tunnel_info *ti)
-{
- struct mlx4_en_priv *priv = netdev_priv(dev);
- __be16 port = ti->port;
- __be16 current_port;
-
- if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
- return;
-
- if (ti->sa_family != AF_INET)
- return;
-
- if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
- return;
-
- current_port = priv->vxlan_port;
- if (current_port && current_port != port) {
- en_warn(priv, "vxlan port %d configured, can't add port %d\n",
- ntohs(current_port), ntohs(port));
- return;
- }
-
- priv->vxlan_port = port;
- queue_work(priv->mdev->workqueue, &priv->vxlan_add_task);
-}
-
-static void mlx4_en_del_vxlan_port(struct net_device *dev,
- struct udp_tunnel_info *ti)
-{
- struct mlx4_en_priv *priv = netdev_priv(dev);
- __be16 port = ti->port;
- __be16 current_port;
-
- if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
- return;
-
- if (ti->sa_family != AF_INET)
- return;
-
- if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
- return;
-
- current_port = priv->vxlan_port;
- if (current_port != port) {
- en_dbg(DRV, priv, "vxlan port %d isn't configured, ignoring\n", ntohs(port));
- return;
- }
-
- queue_work(priv->mdev->workqueue, &priv->vxlan_del_task);
-}
+static const struct udp_tunnel_nic_info mlx4_udp_tunnels = {
+ .sync_table = mlx4_udp_tunnel_sync,
+ .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP |
+ UDP_TUNNEL_NIC_INFO_IPV4_ONLY,
+ .tables = {
+ { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
+ },
+};
static netdev_features_t mlx4_en_features_check(struct sk_buff *skb,
struct net_device *dev,
@@ -2914,8 +2857,8 @@ static const struct net_device_ops mlx4_netdev_ops = {
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
.ndo_get_phys_port_id = mlx4_en_get_phys_port_id,
- .ndo_udp_tunnel_add = mlx4_en_add_vxlan_port,
- .ndo_udp_tunnel_del = mlx4_en_del_vxlan_port,
+ .ndo_udp_tunnel_add = udp_tunnel_nic_add_port,
+ .ndo_udp_tunnel_del = udp_tunnel_nic_del_port,
.ndo_features_check = mlx4_en_features_check,
.ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate,
.ndo_bpf = mlx4_xdp,
@@ -2948,8 +2891,8 @@ static const struct net_device_ops mlx4_netdev_ops_master = {
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
.ndo_get_phys_port_id = mlx4_en_get_phys_port_id,
- .ndo_udp_tunnel_add = mlx4_en_add_vxlan_port,
- .ndo_udp_tunnel_del = mlx4_en_del_vxlan_port,
+ .ndo_udp_tunnel_add = udp_tunnel_nic_add_port,
+ .ndo_udp_tunnel_del = udp_tunnel_nic_del_port,
.ndo_features_check = mlx4_en_features_check,
.ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate,
.ndo_bpf = mlx4_xdp,
@@ -3250,8 +3193,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task);
- INIT_WORK(&priv->vxlan_add_task, mlx4_en_add_vxlan_offloads);
- INIT_WORK(&priv->vxlan_del_task, mlx4_en_del_vxlan_offloads);
#ifdef CONFIG_RFS_ACCEL
INIT_LIST_HEAD(&priv->filters);
spin_lock_init(&priv->filters_lock);
@@ -3406,6 +3347,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM |
NETIF_F_GSO_PARTIAL;
+
+ dev->udp_tunnel_nic_info = &mlx4_udp_tunnels;
}
dev->vlan_features = dev->hw_features;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 9f5603612960..a46efe37cfa9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -599,8 +599,6 @@ struct mlx4_en_priv {
struct work_struct linkstate_task;
struct delayed_work stats_task;
struct delayed_work service_task;
- struct work_struct vxlan_add_task;
- struct work_struct vxlan_del_task;
struct mlx4_en_perf_stats pstats;
struct mlx4_en_pkt_stats pkstats;
struct mlx4_en_counter_stats pf_stats;
--
2.26.2
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